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#![allow(non_snake_case, non_upper_case_globals)]
#![allow(non_camel_case_types)]
//! Clock recovery system
use crate::{RORegister, RWRegister};
#[cfg(not(feature = "nosync"))]
use core::marker::PhantomData;
/// CRS control register
pub mod CR {
/// SYNC event OK interrupt enable
pub mod SYNCOKIE {
/// Offset (0 bits)
pub const offset: u32 = 0;
/// Mask (1 bit: 1 << 0)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// SYNC warning interrupt enable
pub mod SYNCWARNIE {
/// Offset (1 bits)
pub const offset: u32 = 1;
/// Mask (1 bit: 1 << 1)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Synchronization or trimming error interrupt enable
pub mod ERRIE {
/// Offset (2 bits)
pub const offset: u32 = 2;
/// Mask (1 bit: 1 << 2)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Expected SYNC interrupt enable
pub mod ESYNCIE {
/// Offset (3 bits)
pub const offset: u32 = 3;
/// Mask (1 bit: 1 << 3)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Frequency error counter enable
pub mod CEN {
/// Offset (5 bits)
pub const offset: u32 = 5;
/// Mask (1 bit: 1 << 5)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Automatic trimming enable
pub mod AUTOTRIMEN {
/// Offset (6 bits)
pub const offset: u32 = 6;
/// Mask (1 bit: 1 << 6)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Automatic trimming enable
pub mod SWSYNC {
/// Offset (7 bits)
pub const offset: u32 = 7;
/// Mask (1 bit: 1 << 7)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// HSI48 oscillator smooth trimming
pub mod TRIM {
/// Offset (8 bits)
pub const offset: u32 = 8;
/// Mask (6 bits: 0x3f << 8)
pub const mask: u32 = 0x3f << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
}
/// CRS configuration register
pub mod CFGR {
/// Counter reload value
pub mod RELOAD {
/// Offset (0 bits)
pub const offset: u32 = 0;
/// Mask (16 bits: 0xffff << 0)
pub const mask: u32 = 0xffff << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Frequency error limit
pub mod FELIM {
/// Offset (16 bits)
pub const offset: u32 = 16;
/// Mask (8 bits: 0xff << 16)
pub const mask: u32 = 0xff << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// SYNCDIV
pub mod SYNCDIV {
/// Offset (24 bits)
pub const offset: u32 = 24;
/// Mask (3 bits: 0b111 << 24)
pub const mask: u32 = 0b111 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// SYNC signal source selection
pub mod SYNCSRC {
/// Offset (28 bits)
pub const offset: u32 = 28;
/// Mask (2 bits: 0b11 << 28)
pub const mask: u32 = 0b11 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// SYNC polarity selection
pub mod SYNCPOL {
/// Offset (31 bits)
pub const offset: u32 = 31;
/// Mask (1 bit: 1 << 31)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
}
/// CRS interrupt and status register
pub mod ISR {
/// SYNC event OK flag
pub mod SYNCOKF {
/// Offset (0 bits)
pub const offset: u32 = 0;
/// Mask (1 bit: 1 << 0)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// SYNC warning flag
pub mod SYNCWARNF {
/// Offset (1 bits)
pub const offset: u32 = 1;
/// Mask (1 bit: 1 << 1)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Error flag
pub mod ERRF {
/// Offset (2 bits)
pub const offset: u32 = 2;
/// Mask (1 bit: 1 << 2)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Expected SYNC flag
pub mod ESYNCF {
/// Offset (3 bits)
pub const offset: u32 = 3;
/// Mask (1 bit: 1 << 3)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// SYNC error
pub mod SYNCERR {
/// Offset (8 bits)
pub const offset: u32 = 8;
/// Mask (1 bit: 1 << 8)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// SYNC missed
pub mod SYNCMISS {
/// Offset (9 bits)
pub const offset: u32 = 9;
/// Mask (1 bit: 1 << 9)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Trimming overflow or underflow
pub mod TRIMOVF {
/// Offset (10 bits)
pub const offset: u32 = 10;
/// Mask (1 bit: 1 << 10)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Frequency error direction
pub mod FEDIR {
/// Offset (15 bits)
pub const offset: u32 = 15;
/// Mask (1 bit: 1 << 15)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Frequency error capture
pub mod FECAP {
/// Offset (16 bits)
pub const offset: u32 = 16;
/// Mask (16 bits: 0xffff << 16)
pub const mask: u32 = 0xffff << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
}
/// CRS interrupt flag clear register
pub mod ICR {
/// SYNC event OK clear flag
pub mod SYNCOKC {
/// Offset (0 bits)
pub const offset: u32 = 0;
/// Mask (1 bit: 1 << 0)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// warning clear flag
pub mod SYNCWARNC {
/// Offset (1 bits)
pub const offset: u32 = 1;
/// Mask (1 bit: 1 << 1)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Error clear flag
pub mod ERRC {
/// Offset (2 bits)
pub const offset: u32 = 2;
/// Mask (1 bit: 1 << 2)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
/// Expected SYNC clear flag
pub mod ESYNCC {
/// Offset (3 bits)
pub const offset: u32 = 3;
/// Mask (1 bit: 1 << 3)
pub const mask: u32 = 1 << offset;
/// Read-only values (empty)
pub mod R {}
/// Write-only values (empty)
pub mod W {}
/// Read-write values (empty)
pub mod RW {}
}
}
#[repr(C)]
pub struct RegisterBlock {
/// CRS control register
pub CR: RWRegister<u32>,
/// CRS configuration register
pub CFGR: RWRegister<u32>,
/// CRS interrupt and status register
pub ISR: RORegister<u32>,
/// CRS interrupt flag clear register
pub ICR: RWRegister<u32>,
}
pub struct ResetValues {
pub CR: u32,
pub CFGR: u32,
pub ISR: u32,
pub ICR: u32,
}
#[cfg(not(feature = "nosync"))]
pub struct Instance {
pub(crate) addr: u32,
pub(crate) _marker: PhantomData<*const RegisterBlock>,
}
#[cfg(not(feature = "nosync"))]
impl ::core::ops::Deref for Instance {
type Target = RegisterBlock;
#[inline(always)]
fn deref(&self) -> &RegisterBlock {
unsafe { &*(self.addr as *const _) }
}
}
#[cfg(feature = "rtic")]
unsafe impl Send for Instance {}
/// Access functions for the CRS peripheral instance
pub mod CRS {
use super::ResetValues;
#[cfg(not(feature = "nosync"))]
use super::Instance;
#[cfg(not(feature = "nosync"))]
const INSTANCE: Instance = Instance {
addr: 0x40006000,
_marker: ::core::marker::PhantomData,
};
/// Reset values for each field in CRS
pub const reset: ResetValues = ResetValues {
CR: 0x00002000,
CFGR: 0x2022BB7F,
ISR: 0x00000000,
ICR: 0x00000000,
};
#[cfg(not(feature = "nosync"))]
#[allow(renamed_and_removed_lints)]
#[allow(private_no_mangle_statics)]
#[no_mangle]
static mut CRS_TAKEN: bool = false;
/// Safe access to CRS
///
/// This function returns `Some(Instance)` if this instance is not
/// currently taken, and `None` if it is. This ensures that if you
/// do get `Some(Instance)`, you are ensured unique access to
/// the peripheral and there cannot be data races (unless other
/// code uses `unsafe`, of course). You can then pass the
/// `Instance` around to other functions as required. When you're
/// done with it, you can call `release(instance)` to return it.
///
/// `Instance` itself dereferences to a `RegisterBlock`, which
/// provides access to the peripheral's registers.
#[cfg(not(feature = "nosync"))]
#[inline]
pub fn take() -> Option<Instance> {
external_cortex_m::interrupt::free(|_| unsafe {
if CRS_TAKEN {
None
} else {
CRS_TAKEN = true;
Some(INSTANCE)
}
})
}
/// Release exclusive access to CRS
///
/// This function allows you to return an `Instance` so that it
/// is available to `take()` again. This function will panic if
/// you return a different `Instance` or if this instance is not
/// already taken.
#[cfg(not(feature = "nosync"))]
#[inline]
pub fn release(inst: Instance) {
external_cortex_m::interrupt::free(|_| unsafe {
if CRS_TAKEN && inst.addr == INSTANCE.addr {
CRS_TAKEN = false;
} else {
panic!("Released a peripheral which was not taken");
}
});
}
/// Unsafely steal CRS
///
/// This function is similar to take() but forcibly takes the
/// Instance, marking it as taken irregardless of its previous
/// state.
#[cfg(not(feature = "nosync"))]
#[inline]
pub unsafe fn steal() -> Instance {
CRS_TAKEN = true;
INSTANCE
}
}
/// Raw pointer to CRS
///
/// Dereferencing this is unsafe because you are not ensured unique
/// access to the peripheral, so you may encounter data races with
/// other users of this peripheral. It is up to you to ensure you
/// will not cause data races.
///
/// This constant is provided for ease of use in unsafe code: you can
/// simply call for example `write_reg!(gpio, GPIOA, ODR, 1);`.
pub const CRS: *const RegisterBlock = 0x40006000 as *const _;